Class 6 · Olympiad Prep

How many months in a year have 31 days?

  • A.5
  • B.6
  • C.7 ✓
  • D.8
Explanation: January, March, May, July, August, October, and December each have 31 days — 7 months.

Class 6 IMO Mathematics Olympiad practice · Analytical Reasoning · Calendar Reasoning

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